45 QUESTIONS IN THIS CATEGORY:

speech bubble
Reference data refers to market data and other related data for a financial instrument reported by a trading venue. This includes information like company details, ticker identifications, exchanges, corporate actions, etc..
Apr 28, 2023

speech bubble
Yes, we provide dark pool data. If a trade comes through with an exchange ID of 4 (exchange:4) and also has an attached “trf_id” field, it came from a dark pool.
Apr 06, 2023

speech bubble
There is no limitation on our side to the number of tickers you can subscribe to at once. As long as you can consume the data fast enough, you can subscribe to all tickers and all events simultaneously in one WebSocket feed.
Feb 13, 2023

speech bubble
On Chrome and Safari, snapshots have a limit of 4500 ticker characters or about 850 tickers that can be queried in one request.
Feb 13, 2023

speech bubble
We do not remove companies that have been delisted from the exchanges. We store the market data exactly as it happened on that date in time.
Feb 13, 2023

cta icon
Newsletter

Newsletter Sign Up

Submit your email below and get notified via our email newsletter
cta image
cta icon
Public Slack

Join us on Slack

Submit your email below for an invite to the Polygon.io slack community
cta image
cta icon
Public GitHub

Find us on GitHub

Join an active community of developers contributing to polygon.io
Find us on GitHub
cta image
All data provided on Polygon is provided for informational purposes only, and is not intended for trading or investing purposes. Polygon provides all information as is. You must not redistribute information displayed on or provided by Polygon. Stock prices displayed in the ticker are from a subset of exchanges, this price does not represent the real-time price from the SIP.

© Polygon.io, Inc